What exactly is 3,4-DMMC?three,four-DMMC, often called three,four-Dimethylmethcathinone, is a synthetic stimulant belonging into the cathinone loved ones. Cathinones are psychoactive substances which have effects much like amphetamines, and three,4-DMMC isn't any exception. It shares structural similarities with mephedrone (four-MMC), A further eff